Nielsen Watermarking

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Publisher: SMPTE — White Plains, NY
Doc Type: Conference Paper
Content Type: Original Research
Volume: 2011, No. 1, pp. 1–11
Abstract: Nielsen measures television usage through the use of discreet digital audio watermarks (or codes) embedded within content by the programming community (networks, cable networks, syndicators and stations) for purposes of content identification. Nielsen also utilizes a vast reference array of signature matching technology as an additional content identification mechanism; one that is an equally vital and important approach. The audio watermark payload identifies the source or origin of the distribution feed via a SID (source identifier) assigned to the distribution outlet, date, and time stamp payload structure that is repeated at 2 second intervals. Application of watermarks in a broadcast center is achieved through use of rack mounted hardware encoders. The encoders by design are intended to be positioned on each broadcast feed along with backups positioned as near to the satellite uplink or transmitter as possible. A typical broadcast network may employ 12-15 encoders to support all live feeds as well as backup or emergency feeds. The task of the encoder is to simply and continuously apply watermarks to all content passing though the encoder on a 24×7 basis.
Publication Date: 2011-10-01
DOI: 10.5594/M001091
Link: https://doi.org/10.5594/M001091
Author(s): Paul MearsSVP Client Engineering The Nielsen Company, 501 Brooker Creek Blvd., Oldsmar, FL33647
Scott BrownGlobal Communications The Nielsen Company, 501 Brooker Creek Blvd., Oldsmar, FL33647
Copyright: © 2011 Society of Motion Picture and Television Engineers, Inc.

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<span class="citation">Paul Mears and Scott Brown; <cite>Nielsen Watermarking</cite>, SMPTE Meetings and Conferences ( October 2011); SMPTE, 2011. Available at <a href="https://doi.org/10.5594/M001091" target="_blank" rel="noopener">https://doi.org/10.5594/M001091</a></span>

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Paul Mears and Scott Brown; Nielsen Watermarking, SMPTE Meetings and Conferences ( October 2011); SMPTE, 2011
doi: 10.5594/M001091
url: https://doi.org/10.5594/M001091

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Paul Mears and Scott Brown; <cite id="bib-10-5594-m001091">Nielsen Watermarking</cite>, SMPTE Meetings and Conferences ( October 2011); SMPTE, 2011
<span class="doi">10.5594/M001091</span>
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